Index: /FCKeditor/trunk/_whatsnew.html
===================================================================
--- /FCKeditor/trunk/_whatsnew.html	(revision 344)
+++ /FCKeditor/trunk/_whatsnew.html	(revision 345)
@@ -132,4 +132,6 @@
 		<li>[<a target="_blank" href="http://dev.fckeditor.net/ticket/281">#281</a>] Custom
 			toolbar buttons now render correctly in all skins.</li>
+		<li>[<a target="_blank" href="http://dev.fckeditor.net/ticket/527">#527</a>] If the configuration
+			for a toolbar isn't fuly valid, try to keep on parsing it.</li>
 	</ul>
 	<h3>
Index: /FCKeditor/trunk/editor/_source/internals/fcktoolbarset.js
===================================================================
--- /FCKeditor/trunk/editor/_source/internals/fcktoolbarset.js	(revision 344)
+++ /FCKeditor/trunk/editor/_source/internals/fcktoolbarset.js	(revision 345)
@@ -1,3 +1,3 @@
-/*
+/*
  * FCKeditor - The text editor for Internet - http://www.fckeditor.net
  * Copyright (C) 2003-2007 Frederico Caldeira Knabben
@@ -241,4 +241,9 @@
 		var oToolbarItems = ToolbarSet[x] ;
 
+		// If the configuration for the toolbar is missing some element or has any extra comma
+		// this item won't be valid, so skip it and keep on processing.
+		if ( !oToolbarItems ) 
+			continue ;
+
 		var oToolbar ;